CN212958116U

CN212958116U - Safety door catch

Info

Publication number: CN212958116U
Application number: CN202021431281.3U
Authority: CN
Inventors: 麦锦顺
Original assignee: Guangzhou Suoxina Building Material Co ltd
Current assignee: Guangzhou Suoxina Building Material Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-04-13
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a safety door holder, articulate in the door plant of door frame one side including the door frame and through the hinge, the door frame is kept away from the fixed locking device that is provided with in one side of hinge with the door plant, locking device sets up in the fixed block and the second fixed plate of door frame one side including centering, the fixed block is provided with first fixed plate towards one side of door plant is fixed, and the both ends symmetry that fixed block one side was kept away from to first fixed plate sets up the first screw hole that the multiunit supplied first bolt threaded connection, and first fixed plate sets up in one side of fixed block towards the door plant through the first bolt fastening of multiunit, and the both ends symmetry that door plant one side was kept away from to the second fixed plate sets up the circular slot that the. This safety door lock has improved bulk strength, compact structure, has avoided the problem that will reduce hasp life carelessly when the user operates, still realizes the auto-lock function, has improved factor of safety, has played safety protection's effect.

Description

Safety door catch

Technical Field

The utility model belongs to the technical field of the knocker, concretely relates to safety knocker.

Background

The door holder is a tool commonly used by people for locking a door, the existing door holder is various in types, such as a chain type door holder, a hasp type door holder, a bolt type door holder and the like, and the door holder is widely applied to the life of people and brings convenience to the life of people.

However, the existing door holder still has the following defects: 1. the door holder in the prior art mostly has no self-locking function, the safety factor is low, and a criminal can open the door outside the door only through one card, so that the door holder cannot play a role in safety protection; 2. the door latch in the prior art has loose structure and low overall strength, and the service life of the latch can be shortened by carelessness when a user operates the door latch.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety door holder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safety door catch comprises a door frame and a door plate hinged to one side of the door frame through a hinge;

the side, away from the hinge, of the door frame and the door panel is fixedly provided with a locking device, and the locking device comprises a fixed block and a second fixed plate which are arranged on one side of the door frame in the middle;

a first fixing plate is fixedly arranged on one side, facing the door plate, of the fixing block, a plurality of groups of first threaded holes for threaded connection of first bolts are symmetrically formed in two ends, facing away from the fixing block, of the first fixing plate, and the first fixing plate is fixedly arranged on one side, facing the door plate, of the fixing block through a plurality of groups of first bolts;

the two ends, far away from one side of the door plate, of the second fixing plate are symmetrically provided with a plurality of groups of circular grooves for the second bolts to movably arrange, one side, facing the door plate, of each circular groove is provided with a second threaded hole for the second bolts to be in threaded connection, and the second fixing plate is arranged on one side, far away from the hinge, of the door plate through the plurality of groups of second bolts in the middle.

Preferably, the center of one side, far away from the fixed block, of the first fixed plate is fixedly welded with a C-shaped clamping seat, and a rectangular groove is formed in the center of the top, facing one side of the second fixed plate, of the C-shaped clamping seat.

Preferably, the second fixed plate is kept away from the fixed welding in center of door plant one side and is had the sleeve, and the sleeve is kept away from the center of second fixed plate one side and is seted up the logical groove that supplies the fixed setting of linear bearing, the fixed locating plate that is provided with in one side that the second fixed plate was kept away from to telescopic inner edge face, and the outer edge face symmetry of locating plate has seted up the multiunit constant head tank.

Preferably, the locating plate sets up the through groove that supplies the fixed setting of axostylus axostyle towards the center of linear bearing one side, and the axostylus axostyle activity sets up in linear bearing, one side fixedly connected with pothook that the second fixed plate was kept away from to the outer fringe face of axostylus axostyle, and the one end fixed welding that the second fixed plate was kept away from to the axostylus axostyle has.

Preferably, the outer marginal face of axostylus axostyle is kept away from one side of handle and is seted up the external screw thread, and the one end threaded connection that the pothook was kept away from to the axostylus axostyle has the annular plate, one side cooperation locating plate structure that the second fixed plate was kept away from to the annular plate has the multiunit to set up the navigation key in the multiunit constant head tank, and one side fixedly connected with spring that the locating plate was kept away from to the annular plate, one side fixed connection in the second.

The utility model discloses a technological effect and advantage: the safety door catch benefits from the arrangement of the positioning plate, the positioning key and the spring, the handle is unscrewed after the door plate is pushed into the door frame, the spring drives the shaft lever to rotate, the clamping hook is connected with the C-shaped clamping seat, and the annular plate and the positioning key are driven to rotate and reset through the shaft lever, so that the self-locking function is realized, the safety coefficient is improved, and the safety protection effect is realized; benefit from the C type cassette that first fixed plate and first fixed plate one side set up to and the telescopic setting of the fixed welding in second fixed plate one side, improved bulk strength, compact structure, will reduce hasp life's problem carelessly when having avoided the user to operate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the locking device of the present invention;

fig. 3 is a schematic view of the lock device according to the present invention.

In the figure: 1 door frame, 101 door plant, 2 locking device, 3 fixed block, 4 second fixed plates, 301 first fixed plate, 401 circular slot, 5C type cassette, 501 first bolt, 6 second bolt, 601 sleeve, 602 locating plate, 7 linear bearing, 701 axostylus axostyle, 8 pothook, 801 handle, 9 annular plate, 901 navigation key, 902 spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a safety door buckle as shown in figures 1-3, which comprises a door frame 1 and a door plate 101 hinged on one side of the door frame 1 through a hinge;

a locking device 2 is fixedly arranged on one sides of the door frame 1 and the door panel 101, which are far away from the hinge, and the locking device 2 comprises a fixed block 3 and a second fixed plate 4 which are arranged on one side of the door frame 1 in the middle;

a first fixing plate 301 is fixedly arranged on one side, facing the door panel 101, of the fixing block 3, a plurality of groups of first threaded holes for threaded connection of first bolts 501 are symmetrically formed in two ends, facing away from the fixing block 3, of the first fixing plate 301, and the first fixing plate 301 is fixedly arranged on one side, facing the door panel 101, of the fixing block 3 through the plurality of groups of first bolts 501;

the both ends symmetry that second fixed plate 4 kept away from door plant 101 one side has seted up the circular slot 401 that the activity of multiunit confession second bolt 6 set up, and circular slot 401 can prevent that the user from being by the fish tail of second bolt 6 when using, circular slot 401 is seted up the second screw hole that supplies 6 threaded connection of second bolt towards one side of door plant 101, and second fixed plate 4 sets up in the middle in the one side that keeps away from the hinge in door plant 101 through multiunit second bolt 6.

Specifically, the center of one side of the first fixing plate 301, which is far away from the fixing block 3, is fixedly welded with a C-shaped clamping seat 5, a rectangular groove is arranged in the middle of the top end of one side of the C-shaped clamping seat 5 facing the second fixing plate 4, a sleeve 601 is fixedly welded at the center of one side of the second fixing plate 4 far away from the door panel 101, and the center of one side of the sleeve 601 far away from the second fixing plate 4 is provided with a through groove for fixing the linear bearing 7, a positioning plate 602 is fixedly arranged on one side of the inner edge surface of the sleeve 601 far away from the second fixing plate 4, a plurality of groups of positioning grooves are symmetrically arranged on the outer edge surface of the positioning plate 602, through the C-shaped clamping seat 5 arranged on one side of the first fixing plate 3 and the sleeve 601 fixedly welded on one side of the second fixing plate 4, the overall strength and the structure are improved, and the problem that the service life of the lock catch is shortened carelessly when a user operates the lock catch is avoided.

Specifically, a through groove for fixing the shaft lever 701 is formed in the center of one side of the positioning plate 602 facing the linear bearing 7, the shaft lever 701 is movably arranged in the linear bearing 7, a hook 8 is fixedly connected to one side of the outer edge surface of the shaft lever 701 away from the second fixing plate 4, a handle 801 is fixedly welded to one end of the shaft lever 701 away from the second fixing plate 4, an external thread is formed on one side of the outer edge surface of the shaft lever 701 away from the handle 801, an annular plate 9 is connected to one end of the shaft lever 701 away from the hook 8 through a thread, a plurality of groups of positioning keys 901 arranged in a plurality of groups of positioning grooves are constructed by matching one side of the annular plate 9 away from the second fixing plate 4 with the positioning plate 602, a spring 902 is fixedly connected to one side of the annular plate 9 away from the second fixing plate 4, and after the door panel 101 is pushed into the door frame 1 by screwing the handle 801, the handle 801 is released, the spring 902 drives the shaft lever 701 to rotate, the hook 8 is connected with the C-shaped clamping seat 501, the annular plate 9 is driven by the shaft lever 701 to rotate and reset with the positioning key 901, the self-locking function is realized, the safety factor is improved, and the safety protection effect is achieved.

The working principle of the safety door catch is that before use, the first fixing plate 301 is fixedly arranged on the fixing block 3 through two groups of first bolts 501, and then the second fixing plate 4 is fixedly arranged on the door panel 101 through two groups of second bolts 6, when in use, a user holds the handle 801 and pushes the handle 801 towards the second fixing plate 4, so that the positioning key 901 constructed on the annular plate 9 is separated from the positioning groove arranged on the positioning plate 602, and then turns the handle 801 anticlockwise, so that the handle 801 drives the shaft lever 701 to rotate, and the hook 8 is separated from the C-shaped clamping seat 501, further the locking device 2 is opened, after pulling the door panel 101 open, the handle 801 is released, the spring 902 drives the annular plate 9 to reset, and further drives the hook 8 on the shaft lever 701 to reset, thereby preventing the door panel 101 from self-locking from the inside, when the user needs to close the door panel 101, the handle 801 is turned to drive the shaft lever 701 to rotate, and the shaft lever 701 drives, then, the handle 801 is rotated clockwise, so that the positioning key 901 formed on the annular plate 9 enters the positioning slot formed on the positioning plate 602, thereby completing self-locking. The safety door catch improves the overall strength, has compact structure, avoids the problem that the service life of the lock catch is reduced by carelessness when a user operates the safety door catch, also realizes the self-locking function, improves the safety factor and plays a role in safety protection

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A safety door catch comprises a door frame (1) and a door plate (101) hinged to one side of the door frame (1) through a hinge;

the method is characterized in that: a locking device (2) is fixedly arranged on one side, away from the hinge, of the door frame (1) and the door panel (101), and the locking device (2) comprises a fixed block (3) and a second fixed plate (4) which are arranged on one side of the door frame (1) in the middle;

a first fixing plate (301) is arranged on one side, facing the door panel (101), of the fixing block (3), multiple groups of first threaded holes for threaded connection of first bolts (501) are symmetrically formed in two ends of one side, far away from the fixing block (3), of the first fixing plate (301), and the first fixing plate (301) is fixedly arranged on one side, facing the door panel (101), of the fixing block (3) through the multiple groups of first bolts (501);

the two ends, far away from door plant (101), of second fixed plate (4) are symmetrically provided with a plurality of groups of circular grooves (401) for second bolts (6) to move, one side, facing door plant (101), of circular grooves (401) is provided with second threaded holes for second bolts (6) to be in threaded connection, and second fixed plate (4) is arranged in the middle of one side, far away from the hinge, of door plant (101) through a plurality of groups of second bolts (6).

2. A security door hasp according to claim 1 wherein: the center of one side, far away from the fixed block (3), of the first fixed plate (301) is fixedly welded with a C-shaped clamping seat (5), and a rectangular groove is formed in the middle of the top end, facing one side of the second fixed plate (4), of the C-shaped clamping seat (5).

3. A security door hasp according to claim 1 wherein: the fixed welding in center that door plant (101) one side was kept away from in second fixed plate (4) has sleeve (601), and sleeve (601) keep away from the center of second fixed plate (4) one side and set up the logical groove that supplies linear bearing (7) to fix the setting, the fixed locating plate (602) that is provided with in one side that second fixed plate (4) were kept away from to the inner edge face of sleeve (601), and the outer edge face symmetry of locating plate (602) has seted up the multiunit constant head tank.

4. A security door hasp according to claim 3 wherein: the locating plate (602) sets up the fixed through groove that sets up of confession axostylus axostyle (701) towards the center of linear bearing (7) one side, and axostylus axostyle (701) activity sets up in linear bearing (7), one side fixedly connected with pothook (8) of second fixed plate (4) are kept away from to the outer fringe face of axostylus axostyle (701), and the fixed welding of one end that second fixed plate (4) were kept away from to axostylus axostyle (701) has handle (801).

5. A security door hasp according to claim 4 wherein: the outer fringe face of axostylus axostyle (701) is kept away from one side of handle (801) and is seted up the external screw thread, and one end threaded connection that pothook (8) were kept away from in axostylus axostyle (701) has annular plate (9), one side cooperation locating plate (602) that second fixed plate (4) were kept away from in annular plate (9) are constructed multiunit and are set up positioning key (901) in the multiunit constant head tank, and one side fixedly connected with spring (902) of locating plate (602) are kept away from in annular plate (9), one side fixed connection in second fixed plate (4) that annular plate (9) were kept away from.